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  Date: 2024/9/18
  Time: 11:02
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<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>session内置对象计数器</title>
  <style type="text/css">
    h1{color: red;text-align: center;size: 7px}
    p{color: green;text-align: center;size: 5px}
  </style>
</head>
<body>
<%!int Num = 0;%>
<%
  if (session.isNew()){
    Num += 1;
    session.setAttribute("Num",Num);
  }
%>
<h1>session计数器</h1>
<br>
<p>
  您是第
  <%=session.getAttribute("Num")%>
  个访问本网站的用户
</p>
</body>
</html>
